In this paper, a series of questions such as the natural feature of theagriclutural modernization, the problem of the industrial modern agriculture, the general trend of the world in agricultural modernization, therisen abruptly substituting agriculture,the special requirment of the agricultural modernization in China are analysed. It is inquired about thehistory condition of the risen abruptly ecological agriculture, the basiccondition of China, ecologic rule, economic rule, systematic rule, therule of structurefunction relationship as well as the modern scientifictheory, etc. .The connotative feature, basic task and some direct experience of the ecological agriculture of China are also discussed. Furthermore,some principal rule and suggests to build and develop ecologic agriculture, to realize agricultural modernization of China are advanced.